Hello i am running the radio_test sample on the custom nrf5340 board for the logging purpose i am using the pins 8 and 9 of the port 0 but the issue arising is that there...
Hi.
I made the smallest system module using nRF52840. The schematic diagram is as follows.
My reference design for power supply is as follows,
For Firmware....
I have a 5 year old design using a nrf52832 on a MDBT42Q module. The BLE option was placed on the PCB in 2020 and has been unoccupied since going into production. My customer...
Hi Noridc expert ,
I am trying to configure using nsib + mcuboot on nrf52840,
I need to build the image with only public key avaliable , and sign the image else where...
Hello,
I'm currently using Visual Studio Code with the newest SDK, Toolchain and Plugin on MacOS and most of my applications are freestanding applications.
Now I want...
Hi Nordic team,
I am plan to design an IoT sensor that apply to Agriculture,
In case of 2 communications: Near field and far field, I will integration both BLE and Lora...
Hi,
I have a couple of questions regarding reading the nRF5340 Temperature Sensor. This is a follow-up to the following DevZone ticket: https://devzone.nordicsemi.com/f...
I'm devloping application on nRf51 for that i'm using... SDK : nRF51_SDK_7.2.0_cf547b5 Tool chain : GNU tools arm Embedded [arm-none-eabi version 4.9.3] Dev Board : PCA10028...
I'm trying to implement channel scanning in our nrf24lu1p based USB dongle.
I'm following the specs and basically loop though each channel ;
loop
stop listening
set...
I had a nRF81522 design that was working at 3.3V and I dropped the voltage to 1.9V. I didn't change anything else, but now I am getting periodic disconnects during interogation...
I have a PCA 10028.
This board uses Two microcomputers.
One is N51422.
Another is microcomputer on which the seal is put(Segger ID:).
What is the role of this microcomputer...
I recently discovered this article ( mbientlab.com/.../) and am trying to understand the data transfer type between the firmware ( ble_app_hrs_s110_pca10028 ) and an iOS device...
Hi,
Currently when I run the HRM demo I end up in the app error handler, unfortunately the error codes don't print to my terminal window. I'm using crossworks, and I was...
Hi,
I am new to using keil uvision. I am creating wearable solution, have enabled battery service indication, RTX support,bsp support, gpio,ble service.
When compiling...
Hello!
I would like to measure RSSI for different channels so as to decide which channel is the least noisy one (and more particularly, which ones are already used). I...
I am trying to choose a BLE device for my upcoming biomedical product design. Any help in comparing these 2 devices will be greatly appreciated.
Things I am concerned about...
Hi,
I am using the nRF51822 with an external chip. The nRF51822 has interrupts which trigger when one of the signals from the external chip goes low. When using BLE and...
My program does a lot of dynamic memory allocation and at some point "malloc" retruns NULL , which is cause the system running out of allocated heap memory (I am assuming...
Hi,
i am newbie to nrf51822 and want to know details of following stuffs:
1)what is use of uicr?
2)if i place some value in uicr and then change the image,then is there...
Hi guys,
i asked a similar question [1] few days ago, but yesterday i stumbled over the "service_data" type when advertising packages.
I've written a custom service...
Is there a specific part code for the latest Rev 3 QFAC silicon for the nRF51822? We were trying to track down a source with stock of the latest chips, but most resellers...
